搜索结果: 1-15 共查到“农学 Powdery mildew”相关记录37条 . 查询时间(0.029 秒)
Mapping and characterization of powdery mildew resistance gene in synthetic wheat
Aegilops tauschii Blumeria graminis SSR Triticum aestivum
2016/12/8
Powdery mildew caused by Blumeria graminis f.sp. tritici is significantly affecting wheat production worldwide. In the search for new sources of resistance we investigated the powdery mildew resistanc...
Rare Virulences of Barley Powdery Mildew Found in Aerial Populations in the Czech Republic from 2009 to 2014
Blumeria graminis f.sp. hordei Hordeum vulgare specific resistances
2015/4/1
In breeding plants for resistance to disease pathogens major genes are often used. They mostly confer a resistance, which can be overcome by a corresponding pathogen virulence specific to the resistan...
Effects of field bindweed (Convolvulus arvensis L.) and powdery mildew [Leveillula taurica (Lev.) Arn.] on pepper growth and yield – Short communication
competition disease indicator pepper with photosynthesis mildew with strobilurin fungicides weed
2015/3/17
Field experiments were conducted to determine the effects of field bindweed and powdery mildew on growth and yield of a pepper crop. This study also evaluated the efficacy of fungicide application pro...
Incidence of Lettuce Downy Mildew (Bremia lactucae) and Powdery Mildew (Golovinomyces cichoracearum) in Natural Populations of Prickly Lettuce (Lactuca serriola)
wild plant pathosystem disease incidence
2015/3/11
The study was focused on the wild pathosystem Lactuca serriola–lettuce downy mildew (Bremia lactucae) and lettuce
powdery mildew (Golovinomyces cichoracearum). Observations were focused mainly on rec...
Effect of Extreme Temperatures on Powdery Mildew Development and Hsp70 Induction in Tomato and Wild Solanum spp.
heat shock proteins Oidium neolycopersici real-time PCR Western blot
2015/3/11
Changes in Hsp70 gene expression and protein level were studied in three Solanum spp. genotypes in response to
short-term high and low temperatures and to infection by powdery mildew. Development of ...
Frequency of Powdery Mildew Resistances in Spring Barley Cultivars in Czech Variety Trials
Blumeria graminis f.sp. hordei Hordeum vulgare
2015/3/9
In 2006–2010, resistance to the powdery mildew pathogen was studied in 277 spring barley cultivars. They were
represented by 54 cultivars in Czech official variety trials, of which 42 were foreign, ...
Long-lasting changes in the species spectrum of cucurbit powdery mildew in the Czech Republic – influence of air temperature changes or random effect?
Golovinomyces cichoracearum Podosphaera xanthii Cucurbitaceae epidemiology air temperature geographic distribution
2015/3/3
Two ectoparasite powdery mildew species Golovinomyces cichoracearum (Gc) and Podosphaera xanthii (Px) occurring on cucurbits differ, besides other characteristics, by specific ecologic requirements. W...
Severity of powdery mildew on winter barley in the Czech Republic in 1976–2005
Hordeum vulgare L. Blumeria graminis f.sp. hordei disease severity
2015/3/1
Results of scoring the reaction to powdery mildew of 240 winter barley varieties that were gradually included in 392 Czech Official Trials conducted at 21 locations were analysed. The reaction of the ...
Powdery mildew Phyllactinia corni causing disease on Cornus mas (Cornaceae) – a new record for Slovakia
Cornus mas Phyllactinia corni Phyllactinia guttata powdery mildew
2015/2/2
Phyllactinia corni, a powdery mildew on Cornus mas, is reported for the first time from Slovakia. The conidial state and mature cleistothecia found at two locations in Slovakia are described and illus...
Virulence frequencies to powdery mildew resistance genes of winter barley cultivars
Blumeria graminis f.sp. hordei Erysiphe graminis f.sp. hordei powdery mildew Hordeum vulgare barley winter cultivars virulence frequencies resistance genes pathogen populations
2015/1/30
The virulence frequencies to powdery mildew resistance genes possessed by winter barley cultivars registered and newly tested in the Czech Republic were studied in 2000, 2002 and 2004. Random samples ...
Powdery mildew resistance in some Aegilops species
Blumeria graminis DC f.sp. tritici Aegilops spp. disease resistance virulence analysis DNA polymorphism genetic resources
2015/1/30
Resistance to powdery mildew (Blumeria graminis (DC.) E. O. Speer f.sp. tritici Em. Marchal) in Aegilops crassa Boiss., Ae. ventricosa Tausch, Ae. biuncialis Vis., Ae. triuncialis L. and Ae. cylindric...
Severity of Powdery Mildew on Spring Barley in the Czech Republicin 1971–2000
Hordeum vulgare Blumeria graminis f.sp. hordei powdery mildew disease severity
2015/1/30
Results of scoring the resistance to powdery mildew of 127 spring barley varieties that were gradually included in 923 official variety trials were analysed. The resistance of a variety was defined by...
Identification of genes for resistanceto wheat powdery mildew in Hungarian, Polish and Slovak wheat cultivars
wheat Triticum aestivum powdery mildew Blumeria graminis DC f.sp. tritici resistance genes virulence analysis
2015/1/28
The objective of the study was to identify genes for resistance to powdery mildew in wheat cultivars and land races from Poland, Slovakia and Hungary. The presence and distribution of resistance genes...
Segregation of powdery mildew (Podosphaera leucotricha [Ell. et Ev. /Salm./]) resistance within 54 apple progenies
Podosphaera leucotricha apple mildew resistance
2015/1/21
The occurrence of powdery mildew after heavy spontaneous infections was evaluated on 2,500 apple seedlings of 54 progenies that were derived from crosses made in 1993 and 1994. At the same time, the r...
Resistance to rust and powdery mildew in Lathyrus crops
Erysiphe pisi Lathyrus sativus Lathyrus cicera Uromyces pisi
2014/7/9
Several Lathyrus species, particularly Lathyrus sativus and L. cicera, have a high potential both as food and fodder crops. Rust and powdery mildew fungi are among the most important pathogens of majo...